Itadani, Eisaku
Current rating: 1768 (#3187)
Record: 15-10-6 (GP) / 39-32-2 (professional)
| Pro Tour Osaka 2002 (Odyssey block) | starting rating: 1741 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 25 | Adams, Jason (1500) | Won 2-0 | +141755 |
| 2block | 7 | Lo Moro, Raffaele (1727) | Lost 0-2 | -181737 |
| 3block | 87 | Wong, Nicholas Jonathan (1712) | Won 2-1 | +171754 |
| 4block | 66 | Clegg, Daniel (1899) | Won 2-0 | +211775 |
| 5block | 18 | Odegaard, Oyvind (1777) | Lost 0-2 | -181757 |
| 6block | 30 | Malherbaud, Pierre (1850) | Won 2-0 | +191776 |
| 7block | 23 | Tan, Steve Wei Quan (1547) | ID | 01776 |
| 8block | 24 | Canavesi, Daniele (1627) | Draw 1-1 | -21774 |
| 9block | 32 | Lloyd, Robert (1559) | Won 2-1 | +141788 |
| 10block | 23 | Comer, Alan (1922) | Won 2-0 | +201808 |
| 11block | 16 | Elarar, Jay (1737) | Won 2-1 | +171825 |
| 12block | 12 | Sonne, Jonathan (1671) | Lost 1-2 | -211804 |
| 13block | 18 | Skjetne, Endre Helgesen (1630) | Lost 1-2 | -211783 |
| 14block | 25 | Cunningham, Jeff (1924) | Lost 0-2 | -151768 |
| top | average opponent: 1720record: 7-5-2 | new rating: 1768 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1772 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 91 | Kobayashi, Ryosuke (1536) | Draw 1-1 | -41768 |
| 5block | 70 | Yamasaki, Yudai (1563) | Lost 1-2 | -221746 |
| 6block | 166 | Hidaka, Ayumi (1494) | Draw 1-1 | -51741 |
| top | average opponent: 1531record: 0-1-2 | new rating: 1741 | ||
| 2001 World Championship (mixed) | starting rating: 1664 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 9 | Schneider, Oliver (1615) | Won 2-1 | +171681 |
| 2standard | 53 | Eder, Wolfgang (1799) | Won 2-1 | +201701 |
| 3standard | 28 | Smith, Cormac (1621) | Won 2-1 | +171718 |
| 4standard | 15 | Sorensen, Jan (1594) | Won 2-0 | +161734 |
| 5standard | 5 | Ruel, Antoine (1930) | Lost 1-2 | -151719 |
| 6standard | 20 | Morita, Masahiko (1684) | Lost 0-2 | -181701 |
| 7rochester | 116 | Smith, Cormac (1632) | Won 2-0 | +161717 |
| 8rochester | 71 | Sousa, Luis (1663) | Lost 0-2 | -191698 |
| 9rochester | 30 | Leiher, Peter (1894) | Won 2-0 | +221720 |
| 10rochester | 7 | Morita, Masahiko (1690) | Lost 1-2 | -191701 |
| 11rochester | 19 | Montreuil, Dave (1716) | Won 2-1 | +191720 |
| 12rochester | 24 | Sorensen, Jan (1616) | Won 2-0 | +161736 |
| 13extended | 20 | Tweedale, Darryl (1566) | Won 2-0 | +151751 |
| 14extended | 17 | Mori, Katsuhiro (1836) | Lost 0-2 | -171734 |
| 15extended | 28 | Qvist, Thomas (1698) | Won 2-0 | +171751 |
| 16extended | 15 | Okamoto, Jin (1668) | Lost 0-2 | -191732 |
| 17extended | 18 | Nitter, Eivind (1925) | Won 2-0 | +211753 |
| 18extended | 21 | Delere, Andre (1770) | Won 2-0 | +191772 |
| top | average opponent: 1718record: 12-6 | new rating: 1772 | ||
| Pro Tour Tokyo 2001 (Invasion block) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 69 | Bourdeau, Luc (1500) | Won 2-0 | +161600 |
| 2block | 36 | Creech, Lawrence (1770) | Lost 0-2 | -151585 |
| 3block | 72 | Cooper, Geddes (1481) | Won 2-0 | +161601 |
| 4block | 43 | Boeken, Noah (2014) | Won 2-0 | +261627 |
| 5block | 19 | Norris, Pete (1520) | Lost 0-2 | -201607 |
| 6block | 65 | Odegaard, Oyvind (1849) | Won 2-0 | +221629 |
| 7block | 25 | Schneiders, Felix (1629) | Won 2-0 | +181647 |
| 8block | 23 | Kibler, Brian (1815) | Won 2-0 | +211668 |
| 9block | 17 | Jordan, Paul (1580) | Won 2-1 | +161684 |
| 10block | 10 | Hubble, Bryan (1809) | Lost 0-2 | -151669 |
| 11block | 19 | Possemiers, Ben (1570) | Won 2-1 | +161685 |
| 12block | 9 | Sasakawa, Tomohide (1626) | Lost 1-2 | -191666 |
| 13block | 23 | Mukka, Daniel (1609) | Lost 1-2 | -191647 |
| 14block | 29 | Schneider, Oliver (1613) | Won 2-1 | +171664 |
| top | average opponent: 1670record: 9-5 | new rating: 1664 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 28 | Ikematsu, Tsuyoshi (1536) | Lost 0-2 | -201587 |
| 4sealed | 57 | Biwaki, Toshiaki (1564) | Won 2-0 | +181605 |
| 5sealed | 30 | Onoda, Michihisa (1617) | Lost 0-2 | -181587 |
| 6sealed | 91 | Nomura, Eiji (1497) | Won 2-0 | +171604 |
| 7sealed | 55 | Takeda, Hiroya (1504) | Lost 0-2 | -201584 |
| top | average opponent: 1544record: 2-3 | new rating: 1584 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1424 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 120 | Yagi, Akira (1500) | Won 2-1 | +191443 |
| 3extended | 111 | Inki, Yasuhito (1536) | Won 2-0 | +201463 |
| 4extended | 48 | Tabuchi, Atsushi (1537) | Won 2-0 | +191482 |
| 5extended | 16 | Ito, Kunihiko (1571) | Won 2-1 | +201502 |
| 6extended | 13 | Nishio, Yoshiaki (1573) | Won 2-1 | +191521 |
| 7extended | 8 | Asahara, Akira (1575) | Won 2-0 | +191540 |
| 8extended | 4 | Higaki, Takao (1642) | Draw 1-1 | +21542 |
| 9extended | 4 | Sanno, Naoki (1632) | Won 2-1 | +201562 |
| 10extended | 2 | Sano, Fumihiko (1657) | Won 2-0 | +191581 |
| 11extended | 1 | Murakami, Yuki (1655) | Won 2-1 | +201601 |
| 12extended | 1 | Yamakawa, Youichirou (1586) | Won 2-1 | +171618 |
| 13extended | 1 | Nakamura, Shuhei (1629) | Draw 1-1 | +11619 |
| 14extended | 1 | Douyama, Tsuyoshi (1666) | ID | 01619 |
| Qextended | Fuller, Ryan (1965) | Lost 1-2 | -121607 | |
| top | average opponent: 1623record: 10-1-3 | new rating: 1607 | ||
| Grand Prix Sapporo 2000 (PCY limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 34 | Sasage, Hiroki (1518) | Lost 1-2 | -171412 |
| 4sealed | 52 | Azuma, Takashi (1517) | Won 2-0 | +201432 |
| 5sealed | 40 | Murase, Yukiyoshi (1535) | Won 2-0 | +201452 |
| 6sealed | 12 | Shvartsman, Alex (1835) | Lost 0-1 | -111441 |
| 7sealed | 32 | Ishida, Itaru (1499) | Lost 0-2 | -171424 |
| top | average opponent: 1581record: 2-3 | new rating: 1424 | ||
| Pro Tour New York 2000 (Masques block) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 132 | Angeli, Alessio (1517) | Draw 1-1 | +21449 |
| 2block | 78 | Johns, Scott (1639) | Lost 0-2 | -151434 |
| 3block | 121 | Burgner, Kurt (1718) | Won 2-0 | +231457 |
| 4block | 81 | Nyegaard, Timme (1594) | Won 2-0 | +211478 |
| 5block | 52 | van de Logt, Tom (1566) | Lost 0-2 | -171461 |
| 6block | 74 | Bastos, Frederico (1528) | Lost 0-2 | -171444 |
| 7block | 88 | Wolf, Andrew (1570) | Lost 0-2 | -151429 |
| top | average opponent: 1590record: 2-4-1 | new rating: 1429 | ||
| Grand Prix Kuala Lumpur 2000 (extended) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 58 | Sim, Han How (1518) | Draw 0-0 | +11462 |
| 3extended | 42 | Wong, Kok Leong (1518) | Lost 0-0 | -171445 |
| 4extended | 78 | Marcus, Heronimo (1518) | Draw 0-0 | +11446 |
| 5extended | 103 | Ng, Chi Seong (1482) | Won 0-0 | +191465 |
| 6extended | 75 | Loh, Win Sheng (1483) | Lost 0-0 | -181447 |
| top | average opponent: 1504record: 1-2-2 | new rating: 1447 | ||
| Pro Tour Chicago 1999 (extended) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 58 | Haworth, Clef (1500) | Lost 0-2 | -171456 |
| 2extended | 103 | Richards, Scott (1417) | Won 2-1 | +171473 |
| 3extended | 65 | De Oude, Walter (1502) | Lost 0-2 | -171456 |
| 4extended | 134 | Van Alten, Clint (1482) | Won 2-0 | +181474 |
| 5extended | 84 | Guevin, Peter (1532) | Lost 0-2 | -171457 |
| 6extended | 97 | Sasanuma, Kiyoshi (1486) | Won 2-1 | +191476 |
| 7extended | 84 | Sullivan, Adrian (1658) | Lost 0-2 | -151461 |
| top | average opponent: 1511record: 3-4 | new rating: 1461 | ||
| Pro Tour Los Angeles 1999 (USG rochester) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 109 | Pikula, Chris (1742) | Won 0-0 | +231506 |
| 2rochester | 90 | Yoo, John (1641) | Lost 0-2 | -161490 |
| 3rochester | 144 | Chung, Matt (1500) | Won 2-0 | +191509 |
| 4rochester | 96 | Craig, Mike (1538) | Won 2-1 | +181527 |
| 5rochester | 34 | Mowshowitz, Zvi (1629) | Lost 0-2 | -161511 |
| 6rochester | 22 | Bui, Truc (1411) | Lost 0-0 | -201491 |
| 7rochester | 106 | Ikeda, Kei (1503) | Lost 0-0 | -181473 |
| top | average opponent: 1566record: 3-4 | new rating: 1473 | ||
| Pro Tour Rome 1998 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 46 | Canu, Franck (1500) | Lost 0-0 | -181482 |
| 2extended | 110 | Eyre, Steve (1482) | Won 0-0 | +181500 |
| 3extended | 77 | Fuller, Ryan (1576) | Lost 0-0 | -171483 |
| 4extended | 72 | Pechon, Jonathan (1481) | Won 0-0 | +181501 |
| 5extended | 73 | Cleemann, Jonas (1501) | Lost 0-0 | -181483 |
| 6extended | 84 | Tokuda, Lance (1486) | Won 0-0 | +181501 |
| 7extended | 68 | Lamr, Martin (1501) | Lost 0-0 | -181483 |
| top | average opponent: 1504record: 3-4 | new rating: 1483 | ||